Nellie Thomas — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Carroll-County, Maryland

Our Model Tree links this Nellie Thomas across the 1920, 1930 and 1940 US Censuses in Carroll-County, Maryland (XGBoost, ~Confirmed), with identified parents Edward & Bertha — first a spouse (b.~1913), then head of a 5-person household.

Age 27 b. ~1913 Female Spouse Born: Maryland Married

1940 Census Record Details

Census Year	1940
Location	Carroll-County, Maryland
Surname	Thomas
Given Name	Nellie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Maryland
1935 Residence (City)	Bennett
1935 Residence (County)	Carroll
Additional Details
Highest Grade	H 7
1935 Residence	Same place
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland
Township / Ward	Bennett
Est. Birth Year	~1913

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

5 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Nellie	Age	Birth yr
Linn Thomas	Daughter	—	3	~1937
Clifford Thomas	Head	—	29	~1911
Donald Thomas	Son	—	1	~1939
Clifford Thomas	Son	—	7	~1933
Nellie Thomas	Spouse	—	27	~1913

Census Appearances

1920

Carroll, Maryland

Daughter, age 8

Carroll, Maryland · implied b. ~1912 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thomas
Given Name	Nellie L
Relationship to Head	daughter
Sex	F
Color / Race	Black
Age	8
Marital Status	Single
Birthplace	Maryland
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

1930

Carroll, Maryland

Daughter, age 18

Carroll, Maryland · implied b. ~1912 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thomas
Given Name	Nellie
Relationship to Head	Daughter
Sex	F
Color / Race	Black
Age	18
Marital Status	Single
Birthplace	Maryland
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Occupation	Servant
Industry	Private Family
Class of Worker	W
Can Read/Write	Yes
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

1940

Carroll-County, Maryland

Spouse, age 27

Carroll-County, Maryland · implied b. ~1913 — 5 household members

Surname	Thomas
Given Name	Nellie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Maryland
1935 Residence (City)	Bennett
1935 Residence (County)	Carroll
Highest Grade	H 7
1935 Residence	Same place
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

Model Tree

Model Tree available

Our Model Tree links Nellie Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Thomas (~0.92 confidence) and mother Bertha Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Edward Thomas

b. ~1881

Source father

● Household · direct · ~0.92

Mother

Bertha Thomas

b. ~1886

Source mother

● Household · direct · ~0.92

This person

Anchor record

Nellie Thomas

Spouse · 1940 · age 27 · b. ~1913 · Maryland

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Carroll-County, Maryland Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01544-01049)

Line	Name	Age	Relation	Occupation	Birthplace
1	George W. B. Wood	67	Head	Carpenter	Maryland
2	Ida Wood	61	Wife	—	Maryland
3	Ridley B. Markert	47	Head	Blacksmith	Maryland
4	Lula Markert	40	Wife	—	Maryland
5	Loretta Munford	15	Niece	—	Maryland
6	Charles B. Bridensten	51	Head	Watkins Dealer	Maryland
7	Mabel A. Bridensten	41	Wife	—	Virginia
8	Walter E. Thill	20	Stepson	Farm Labor	Virginia
9	Russell Barker	25	Lodger	Farm Labor	Maryland
10	Marion Barker	20	Lodger	—	Maryland
11	William M. B. Markert	40	Head	Carpenter	Maryland
12	Martha A. Markert	32	Wife	—	Maryland
13	Mary Jane Markert	9	Daughter	—	Maryland
14	William Hawk	36	Head	Truck Driver	Maryland
15	Ethel Hawk	32	Wife	—	Maryland
16	Francis Hawk	12	Son	—	Maryland
17	Lawrence Hawk	11	Son	—	Maryland
18	William Jr. Hawk	10	Son	—	Maryland
19	Ira K. Hawk	3	Son	—	Maryland
20	Clifford L. Thomas	29	Head	Truck Driver	Maryland
21	Nellie Thomas THIS PERSON	27	Wife	—	Maryland
22	Clifford Jr. Thomas	7	Son	—	Maryland
23	Linn Thomas	3	Daughter	—	Maryland
24	Donald R. Thomas	1	Son	—	Maryland
25	Basil Dorsey	67	Head	Farming	Maryland
26	Mary E. Dorsey	41	Wife	—	Maryland
27	Elizabeth Dorsey	26	Daughter	School Teacher	Maryland
28	Ella Trigler	60	Mother-in-law	—	Maryland
29	Roland Carpenter	48	Head	Wood Foreman	Maryland
30	Mamie O. Carpenter	46	Wife	—	Maryland
31	James Carpenter	21	Son	Farm Labor	Maryland
32	Elizabeth Carpenter	18	Daughter	—	Maryland
33	Mildred Carpenter	15	Daughter	Machinist	Maryland
34	John Carpenter	12	Son	—	Maryland
35	Mary Carpenter	3	Daughter	—	Maryland
36	Oscar Eabron	52	Head	Carpenter	Minnesota
37	Arlow Eabron	47	Wife	—	Maryland
38	Kathleen Eabron	21	Daughter	Bookkeeper	Maryland
39	Melvin Eabron	19	Son	Pipe Fitter	Maryland
40	Earl Eabron	13	Son	—	Maryland

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Pedigree Summary

Nellie

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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